Detailed Instructions: In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.
Q: Sentence 1: The most recent figures from UNAids show a continent divided in two. In north Africa, up to 0.5% of the population has been infected with HIV. In sub-Saharan Africa, that figure is 8.8% but rising to almost 40% in some countries. In four countries - Botswana, Lesotho, Swaziland and Zimbabwe - at least one in three of the population is HIV positive. Sentence 2: AIDS spreads in Africa.
A:
1